Door for a lock box



FIG. 1 is a front perspective view of a door for a lock box showing our new design in full lines with the broken lines showing environmental association matter being for illustrative purposes only and forming no part of the claimed design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a back elevational view thereof;

FIG. 6 is a left side elevational view thereof; and,

FIG. 7 is a bottom plan view thereof. 

The ornamental design for door for a lock box, as shown and described. 